HP Array Controller HSG V8.7 Software - Manual (Page 525)

Controller Specifications E–3
Environmental Specifications
The HSG80 array controller is intended for installation in a Class A
computer room environment.
The environmental specifications listed in Table E–2 are the same as for
other DIGITAL storage devices.
Table E–2 StorageWorks Environmental Specifications
Condition Optimum Operating Environment
Temperature +18° to +24°C (+65° to +75°F)
Temperature rate of change 11°C (20°F per hour)
Relative humidity 40% to 60% (noncondensing) with a step change of 10% or less
(noncondensing)
Altitude From sea level to 2400 m (8000 ft)
Air quality Maximum particle count 0.5 micron or larger, not to exceed 500,000
particles per cubic foot of air
Inlet air volume 0.026 cubic m per second (50 cubic ft per minute)
Condition Maximum Operating Environment (Range)
Temperature +10° to +40°C (+50° to +104°F)
Derate 1.8°C for each 1000 m (1.0°F for each 1000 ft) of altitude
Maximum temperature gradient 11°C/hour (20°F/hour) ±2°C/hour
(4°F/hour)
Relative humidity 10% to 90% (noncondensing)
Maximum wet bulb temperature: 28°C (82°F)
Minimum dew point: 2°C (36°F)
Condition Maximum Nonoperating Environment (Range)
Temperature -40° to +66°C (-40° to +151°F)
(During transportation and associated short-term storage)
Relative Humidity 8% to 95% in original shipping container (noncondensing);
otherwise, 50% (noncondensing)
Altitude From -300 m (-1000 ft) to +3600 m (+12,000 ft) Mean Sea Level
(MSL)